package ch2;

public class Fene {

	public static void main(String[] args) {
		int last = 20;
		double rise = 9.8;
		int now = last + (int) rise;
		System.out.println(now);

		double a = 5.7, b = 4.5;

		// int c = (int) a + (int) b;
		int c = (int) (a + b);
		System.out.println(c);

		double d = 29293939393939393939393930234023.0;
		int d2 = (int) d;
		System.out.println(d2);
		// 70,20000对应的字符
	}

}
